Home / 13,806.06-20,575.88-13,784.10

Finding the Fourth Proportional to 13,806.06, 20,575.88 and 13,784.10

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Solution

The fourth proportional to 13,806.06, 20,575.88 and 13,784.10 is: 20,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.06 : 20,575.88 = 13,784.10 : x
  2. Step 2: Convert to fraction form
    13,806.06/20,575.88 = 13,784.10/x
  3. Step 3: Cross multiply
    13,806.06x = 20,575.88 × 13,784.10
  4. Step 4: Simplify right side
    13,806.06x = 283,619,918.59
  5. Step 5: Solve for x
    x = 283,619,918.59/13,806.06
  6. Step 6: Final answer
    x = 20,543.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.